County of Grant v. Vogt
Annotate this CaseAt issue in this case was whether a law enforcement officer’s knock on a car window constitutes a “seizure.” Defendant argued that he was seized when a sheriff’s deputy knocked on the driver’s side of Defendant’s vehicle and asked Defendant to roll down the window. Defendant unsuccessfully moved to suppress the evidence obtained after he rolled down the window and was subsequently found guilty of driving a motor vehicle while under the influence of an intoxicant. The court of appeals reversed, concluding that “when a uniformed officer approaches a vehicle at night and directs the driver to roll down his or her window, a reasonable driver would not feel free to ignore the officer.” The Supreme Court reversed, holding (1) a law enforcement officer’s knock on a car window does not by itself constitute a show of authority sufficient to give rise to the belief in a reasonable person that the person is not free to leave; and (2) under the totality of the circumstances of this case, the officer did not show a level of intimidation or exercise of authority sufficient to implicate the Fourth Amendment until after Defendant rolled down his window and exposed the grounds for the seizure.
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